Brush machine



Dec. 8, 1931. F. o. CARLSON BRUSH MACHINE Filed Jan.

14, 1.933 3 Sheets-Sheet l A Q 5 1 lllllwl lllll ll I'HHHHNI .f/FI I I I I l l I 1 l I II Hl l IIIIPU o U a WWW w Hum 0 u 6 5 i w a w n... Wflm E I Dec. 8, 1931. F. o. CARLSON BRUSH MACHINE Filed Jan. 14, 1931 3 Sheets-Sheet 2 le l Patented Dec. 8, 1931 UNITED STATES PATENT OFFICE FRITZ O. CARLSON, OF FREDERIGK, MARYLAND, ASSIGNOR TO OX FIBRE BRUSH COME PAN Y, INCL, OF NEW YORK, N. Y., A CORPORATION OF DELAWARE BRUSH MACHINE Application filed January 14, 1931. Serial No. 508,584.

This invention relates to brush machines portion of a ratchet wheel carrying tappet wherein a tuft-setting element is reciprocastuds being shown in section. tive within a tuft casing mounted between a Fig. is an elevation of the tuft guide and tuft feeder and a variably movable work an apertured actuating head therefor, the

5 holding table; having reference more partuft guide being in vertical position.

ticularly to a machine wherein the casing is Fig. 6 is a similar view showing the tuft positioned in the path of the tuft-setting eleguide as swung to the left. ment so as to guide each individual tuft to a Referring to the drawings, 10 designates brush block imposed on the work table, and a supporting frame; 11 and 12 designate 10 wherein the casing is swung from one side to upper and lower power driven shafts, re- 0 the other of such path, as required by the spectively, and 13 designates a fibre magadirection of movement of the brush block, so zine. as to push out of the way of the entering 14 designates a table on which the brush tuft the last preceding tuft inserted in the blocks 15 are supported and by which they 15 brush block. are fed to the usual boring and tuft-setting The present invention may be described as devices. an improvement in or modification of the The tuft setting devices include a plunger tuft guiding mechanism set out in the Van 16 which is vertically reciprocated in timed Fossen Patent No. 1,491,833, dated April 29, relation to the movements of the block. In

20 1924, my object being to provide an exceedthe present instance this plunger is coningly simple construction and organization nected by means of a link 160 with an arm of of mechanism whereby the positive and effia rock lever 161, the other arm whereof is cient positoning and locking of the tuft casplvotally connected, in turn, with a crank 162 ing in respect to the path of the tuft-setting 0n the shaft 12.

25 ele nt ar n ur d, 17 designates a horizontally reciprocative To thi d th i ntion comprises feafeed-bar by means of which quantities of tures of novelty which, in a preferred emfibre are successively separated from the bodiment of the invention, will be hereinafter mass 1n the magazine and fed into position described; the scope of the invention then for insertlon as tufts in the adjacent bored 30 being defined in the appended claims, blOCk 011 the table 14 by the action Of the ver- In th d ing tically-reclprocating plunger 16.

Figure 1 is a partial side elevation of a ivoted to one end of the feed-bar 17 is a brush machine equipped with tuft guiding llnk 18 WhlCh is connected through 8. springmeehanism b d i th i i l f my controlled frame 19 w1th a lever 20 in opera- 35 invention, the tuft guide being shown in vertlVe engagement Wlth a m 21 e the tical position. shaft 12, whereby the bar is longitudinally Fig 2 is a Sectional elevation of a portion reclprocated to move ltS fibre-receiving porof the machine, as viewed from the opposite tion (w) beneath the magazine and into the path 9f the vertically-reciprocating tuft-setside, the tuft guide being shown as swung to ting p g and back again.

one side. f

ast on the shaft 11 1s a ratchet wheel 22 m 3 1S 2.1'Vert1cafSect1On through h tuft with which engages a pawl 23 on a rock-arm gulde and lts assoclated parts the gmde 24: loose on the shaft. This arm is connected ing shown in central position and the tuftby means of a rod 25 with the Strap of an 45 in phlnger bemg luustra'ted down eccentric 26 fast on the upper shaft 12, and Posltlon Wlth a tuft seated thereby 1n the hence during the rotation of the latter shaft br h block the ratchet wheel, and perforce the shaft 11,

Fig. 4 is an elevation of associ v are intermittently rotated. The shaft 11 carand adjuncts, for positioning the tuft casing ries a cam wheel 27 whereof the peripheral with respect to the tuft-setting plunger, a face effects, through suitable transmitting devices, the requisite transverse, vertical and longitudinal movements of the work-holding table in order to position the brush block in operative relation to the boring and tuft-setting devices. The transmitting devices include a horizontally reciprocative frame 28 under the influence of the cam wheel 27, and carrying a vertical pin 29 extending through a longitudinal guide structure 30 which is operatively connected with the work table.

31 designates an oscillatory casing through Which the fibre positioned under the tuft setting plunger by the feed-bar is forced by the descending plunger, such fibre thus being doubled into tuft form about the lower end of the plunger preparatory to the setting of the tuft in the brush block. The base of the casing is rounded as shown and is provided at its respective ends with oppositely projecting toes 32 which are effective to push out of the way of the entering tuft the previously inserted tuft according to the direction of movement of the brush block, to the right or left, below the tuft setting plunger.

The tuft casing is affixed to one end of a horizontal shaft 33 which is journaled in a suitably-disposed bearing bracket 34, and which shaft is rocked and locked at predetermined intervals in timed relation to the relative movements of the brush block and the tuft setting plunger, so as to position the casing vertically for the insertion of the tufts and thereafter swing it to right or left oblique position as the direction of movement of the brush block may require.

The present improvement has particular reference to simple and efficient means for periodically actuating and locking the tuft casing, which means, in the preferred form herein illustrated, is as follows:

Fast on the outer end of the shaft 33 is a rocker element 35 comprising a lever whereof one arm is connected by means of a retracting spring 36 with a pin 37 extending from the main frame, thus the tuft casing is maintained normally in vertical position and in the path of the setting plunger. On the respective arms of the rock lever are two studs 38, 39, respectively, one above and the other below the axis of oscillation of the casing, which studs extend into a suitable opening 40 formed in a head 41 on the longer arm 42 of a horizontally-disposed vertically movable lever which is fulcrumed, as at 43, on a vertically disposed lever 44 adjacent the ratchet wheel 22. The shorter arm 45 of the horizontal lever extends above the ratchet Wheel. The lower end of the vertical lever 44 is fulcrumed, as at 46, on the main frame, its upper end extending adjacent the shaft 12 and being provided with a roll 47 which is maintained in operative contact with a cam 48 on such shaft by means of a retracting spring 49 secured at its respective ends to the lever 44 and a suitable fixture. The contour of the cam 48 is such that during a semi-rotation thereof the lever 44 is at rest, and that during the next semi-rotation of the cam such lever is successively swung outward and thus maintained a suitable interval of time, and is then swung inward to its first position, thereby effecting reciprocating movements of the horizontal lever 42, 45 and its head 41.

The opening 40 of the head 41 is of general trapezoidal form, as shown, the larger end of the opening having upper and lower notches or recesses 50 and 51, respectively, adapted by proper vertical movement of the head 41 to receive in alternation the adjacent studs 38, 39 of the vertically disposed casing in a manner to lock the casing in vertical tuft-receiving position, and also to afford between the head and the rocker 35 a pivotal connection effective to swing the rocker and partially rotate its shaft 33, when the lever 42, 45 is longitudinally shifted, thus positively swinging the casing 31 through an are on either side of the active path of the tuft setting plunger. The upper and lower inclined portions a and b of the opening 40 constitute cam faces which co-act with the opposing studs 38, 39 to ensure their entry into the complementary notches 50, 51 during the movements of the lever 42, 45, in the event of the failure of the spring 36 to engage either stud with its notch. The smaller end of the opening 40 is provided with upper and lower clearance notches 52 and 53, each adapted to receive the proximate stud of the rocker 35, when the casing is swung on its axis by longitudinal movement of the lever 42, 45.

Bearing on the shorter arm 45 of the horizontal lever is a pressure device comprising preferably a grooved roll 54 mounted at the upper end of a vertically-movable bar 55 which is slidably fitted in a suitably disposed guide bracket 56 affixed to the main frame. This bar is normally depressed by means of a spring 57 which, encircling the bar, bears against the upper guide member of the bracket and against a suitable stop 58 on the bar. The bar is provided at its lower end with a tappet shoe 59 which lies adjacent the inner side of the ratchet wheel 22, and such side is provided at suitable intervals with adjustable tappet studs 60 which are so located that in the intermittent rotation of the ratchet wheel they successively encounter the tappet shoe, thus periodically raising the bar 55 and its roll 54 against the action of the spring 57 and in consequence releasing the lever arm 45.

The co-operative relation of the various parts just described is such that when the roll 47 of the vertical lever 44 is in its inward position on the prolonged dwell of the cam 49 the roll 54 presses on the shorter arm 45 of the horizontal lever, thus maintaining the longer arm 42 slightly raised. At this juncture' the tuft casing is in its normal or vertical position, and the lower notch 51 of the opening-40 of the head 41 is engaged with the 'lower stud 39 of the rocker lever 35, thus "locking said casing in vertical position for the 'free' passage therethrough of the tuft and the tuft-setting plunger, as seen in Figs. 1, 3' and 5.- When the vertical lever 44 is swung outward by the action of the lobe of the cam 48 against the roll 47, the horizontal lever 45, 42 is shifted to the left, thus, by the pivotal engagement of the lower stud 39 of the rocker 35 with the adjacent notch 51 of the head 41, swinging the rocker and the tuftcasingclockwise to a left-oblique position, against the action of the spring 36, as seen in Fig. 6. As the cam lobe passes from the roll 47 of the lever 44, such lever is caused to resume its normal or right-hand position, by the action of the spring 49, thus permitting the spring 36 to return the tuft casing to its vertical position, where it is again locked. Hence during each complete rotation of the cam 48 while the lever 45, 42 is restrained by the roll 54, the tuft casing is swung from the vertical to the left position and back again; the leading toe 32 of the casing in its return movement pressing against the opposing previously inserted tuft and insuring a free passage for the new tuft to the brush block.

Upon the change of direction of movement of the brush block, the advancing tappet stud 60 impinges against the shoe 59 and raises the bar 55 and its roll 54, thus releasing the opposing shorter arm 45 of the horizontal lever and permitting the longer arm 42 to drop by gravity, whereupon the upper notch 50 of the opening in the head 41 engages the opposing upper stud 38 of the rock-lever 35, thus, as in the case of the engagement of the lower notch and stud, locking the casing in vertical position. lVhen the vertical lever 44 is swung outward by the action of the lobe of the cam 48 against the roll 47 and the horizontal lever is shifted to the left, the pivotal engagement of the upper stud 38 of the rocker 35 with the notch 50 of the head 41 swings the rocker and the tuft casing contra-clockwise to a right oblique position against the action of the spring 36, and as the cam lobe passes from the roll 47 of the lever 44, this lever resumes its normal righthand posit-ion, thus permitting the spring 36 to return the rocker and the tuft casing to vertical position. Hence during each complete rotation of the cam 48, while the lever 45, 42 is unrestrained by the roll 54, the tuft casing is swung from the vertical to the right hand position and back again; the leading toe of the casing in its return movement pressing against the opposing previouslyinserted tuft and insuring a free passage for the new tuft to the brush block.

It is to be understood that my invention is not limited to the particular construction herein disclosed, as the mechanism may be modified within the principle of the invention and the scope of the appended claims.

I claim 1. In a brush-machine having means for supporting and intermittently moving a brush block, a tuft-setting member, and means for operating said member in timed relation to the block, an oscillatory tuft guide, means for normally maintaining said guide in the path of the tuft-setting member, and mecha nism for swinging said guide through an are on either side of the path of the tuftsetting member in accordance with the direction of movement of the block, said mechanism including an actuating element, means for operatively connecting said element with said guide on either side of the axis of oscillation of the guide, as desired, and means for operating said element to effect the swinging of the guide connected therewith.

2. In av brush-machine having means for supporting and intermittently moving a brush block, a tuft-setting member, and means for operating said member in timed relation to the block, an oscillatory tuft guide, means for normally maintaining said guide in the path of the tuft-setting member, and mechanism for swinging said guide through an are on either side of the path of the tuftsetting member in accordance with the direction of movement of the block, said mechanism including a rocker having pivot members on opposite sides of the axis of oscillation of the said guide, an actuating element having pivotal members complementary to those of the rocker, means for shifting said element to effect the engagement of one or the other pivot member thereof with its complementary pivot member on the rocker, as desired, and means for operating said element to effect the swinging of the rocker and the guide.

3. In a brush-machine having means for supporting and intermittently moving a brush block, a tuft-setting member, and means for operating said member in timed relation to the block, an oscillatory tuft guide, means for normally maintaining said guide in the path of the tuft-setting member, and mechanism for swinging said guide through an are on either side of the path of the tuftsetting member in accordance with the direction of movement of the block, said mechanism including a rocker having pivot studs on opposite sides of the axis of oscillation of the guide, an actuating element having an apertured portion provided with spaced notches for the respective pivot studs, means for shifting said element to effect the engagement of one or the other notch thereof with its complementary pivot stud on the rocker, as desired, and means for operating said element to effect the swinging of the rocker and guide.

4. In a brush-machine having means for supporting and intermittently moving a brush block, a tuft-setting member, and means for operating said member in timed relation to the block, an oscillatory tuft guide, means for normally maintaining said guide in the path of the tuft-setting member, and mechanism for swinging said guide through an are on either side of the path of the tuftsetting member in accordance with the direction of movement of the block, said mechanism including a rocker having pivot studs on opposite sides of the axis of oscillation of the guide, an actuating lever having an apertured head provided with spaced notches for the respective pivot studs, restraining means maintaining said lever normally in a position with one of the notches engaged with its complementary stud, means for periodically releasing the lever to effect the release of said notch and stud and the engagement of the other notch and stud, and means for shifting said lever to effect the swinging of the rocker and guide.

5. In a brush-machine having means for supporting and intermittently moving a brush block, a tuft-setting member, and means for operating said member in timed relation to the block, an oscillatory tuft guide, means for normally maintaining said guide in the path of the tuft-setting member, and mechanism for swinging said guide through an are on either side of the path of the tuftsetting member in accordance with the direction of movement of the block, said mechanism including a rocker having pivot studs on opposite sides of the axis of oscillation of the guide, an actuating lever whereof one arm has an apertured head provided with spaced notches for the respective pivot studs, pressure means acting on the other arm of said lever to maintain it normally in a position with one of the notches engaged with its complementary stud, means for periodically moving said pressure means to free the lever and thereby effect the release of said notch and stud, and means for shifting said lever to effect the swinging of the rocker and guide.

6. In a brush-machine having means for supporting and intermittently moving a brush block, a tuft-setting member, and means for operating said member in timed relation to the block, an oscillatory tuft guide, means for normally maintaining said guide in longitudinal alignment with the tuft-setting member, and mechanism for swinging said guide through an are on either side of the path of the tuft-setting member in accordance with the direction of movement of the block, said mechanism including a rocker having pivot studs on opposite sides of the axis of oscillation of the guide, a horizontal lever whereof one arm has an apertured head provided with spaced notches for the respective pivot studs, a vertical lever on which the first-named lever is fulcrumed, pressure means acting on the other arm of the firstnamed lever to maintain it normally in a po sition with one of the notches engaged with its complementary stud, means for periodically moving said pressure means to free the adjacent arm of the first-named lever and thereby effect the release of said notch and stud and the engagement of the other notch and stud, and means, including a cam, for vibrating the vertical lever.

Signed at Frederick, in the county of Frederick and State of Maryland, this 9th day of January, A. D. 1931.

FRITZ O. CARLSON. 

